Good Good Good on MSN
World's smallest pacemaker — the size of a grain of rice — saves babies with heart defects
The device also dissolves once it is no longer needed, making invasive removal a thing of the past.
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a demonstration unit of a ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果